September weather forecast
Njardvik, Iceland

As summer gives way to autumn in Njardvik, September introduces a shift in the town's climate. While temperature begins its initial dip, signaled by the end of August, the purple hues of autumn paint the cityscape. However, the rainfall records a slight increase to 94mm (3.7"), adding a drizzle to the chilling winds. The sea temperature marks a decrease as the season enhances. Despite the reduction in daylight hours, September's weather displays a unique blend of the fading summer shades and the upcoming chill.

Temperature

A moderate decline in average high-temperatures is noted in September, moving from a fresh 12°C (53.6°F) in August to a frosty 9°C (48.2°F). Njardvik's nighttime temperature in September experiences a slight dip from daytime highs, falling to an average of 5°C (41°F).

Rainfall

During September, Njardvik regularly aggregates up to 94mm (3.7") of precipitation. During the entire year, Njardvik aggregates up to 1076mm (42.36") of precipitation.

Sea temperature

In Njardvik, in September, the average water temperature is 10°C (50°F).
Note: Danger awaits those who swim in 10°C (50°F) without protection. Falling below 10°C (50°F) means intense cold shock and hyperventilation.

Daylight

In Njardvik, Iceland, the average length of the day in September is 13h and 0min.
On the first day of September, sunrise is at 06:15 and sunset at 20:44. On the last day of the month, sunrise is at 07:37 and sunset at 19:02 GMT.